Live: UK's Starmer presses Trump for Ukraine guarantees to hold back Putin

British Prime Minister Keir Starmer will meet Donald Trump in Washington on Thursday to plead for a US backstop to any Ukraine ceasefire, insisting it would be the only way to stop Russia's Vladimir Putin from invading again. Speaking ahead of his meeting with Trump, Starmer said that the US must help provide security guarantees in Ukraine that are “sufficient to deter Putin". Follow our liveblog for all the latest developments.